TY  - BOOK
AU  - Botkin, Daniel B.
AU  - Keller, Edward A.
TI  - Environmental Science Earth As a Living Planet 
SN  - 0471157821
U1  - 304.28 
PY  - 1995///
CY  - New York : 
PB  - John Wiley, 
KW  - Environmental Sciences
KW  - Green House Effect
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0471-15782-1.pdf
ER  -